that's my

English

Phrase

that's my

1. Indicates approval at someone who is doing something praiseworthy.
   • 2015, "Lobster Claws", season 1, episode 7a of Star vs. the Forces of Evil

     [Lobster Claws chooses to follow Ludo as a villain, instead of staying behind with Marco]

     Marco: Don't do it, Lobster Claws! What about wanting to be good?

     [Lobster Claws punches Marco]

     Ludo: That's my monster.

   • 2016, "The Veracity Elasticity", season 10, episode 7 of The Big Bang Theory

     Sheldon: While I'm gone, don't breathe on my pillow.

     Amy: How about if I don't breathe at all?

     Sheldon: That's my girl.

See also

• attaboy
• attagirl